mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
136 lines
2.9 KiB
C++
136 lines
2.9 KiB
C++
//
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// FILE: dht_test.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: DHT Temperature & Humidity Sensor library for Arduino
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// URL: https://github.com/RobTillaart/DHTlib
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// URL: http://arduino.cc/playground/Main/DHTLib
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#include <dht.h>
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dht DHT;
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#define DHT11_PIN 4
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#define DHT21_PIN 5
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#define DHT22_PIN 6
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void setup()
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{
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Serial.begin(115200);
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Serial.println("DHT TEST PROGRAM ");
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Serial.print("LIBRARY VERSION: ");
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Serial.println(DHT_LIB_VERSION);
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Serial.println();
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Serial.println("Type,\tstatus,\tHumidity (%),\tTemperature (C)");
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}
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void loop()
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{
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// READ DATA
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Serial.print("DHT22, \t");
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int chk = DHT.read22(DHT22_PIN);
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switch (chk)
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{
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case DHTLIB_OK:
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Serial.print("OK,\t");
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break;
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case DHTLIB_ERROR_CHECKSUM:
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Serial.print("Checksum error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT:
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Serial.print("Time out error,\t");
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break;
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case DHTLIB_ERROR_CONNECT:
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Serial.print("Connect error,\t");
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break;
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case DHTLIB_ERROR_ACK_L:
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Serial.print("Ack Low error,\t");
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break;
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case DHTLIB_ERROR_ACK_H:
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Serial.print("Ack High error,\t");
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break;
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default:
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Serial.print("Unknown error,\t");
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break;
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}
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// DISPLAY DATA
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Serial.print(DHT.humidity, 1);
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Serial.print(",\t");
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Serial.println(DHT.temperature, 1);
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delay(1000);
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// READ DATA
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Serial.print("DHT21, \t");
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chk = DHT.read21(DHT21_PIN);
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switch (chk)
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{
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case DHTLIB_OK:
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Serial.print("OK,\t");
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break;
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case DHTLIB_ERROR_CHECKSUM:
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Serial.print("Checksum error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT:
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Serial.print("Time out error,\t");
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break;
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case DHTLIB_ERROR_CONNECT:
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Serial.print("Connect error,\t");
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break;
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case DHTLIB_ERROR_ACK_L:
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Serial.print("Ack Low error,\t");
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break;
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case DHTLIB_ERROR_ACK_H:
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Serial.print("Ack High error,\t");
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break;
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default:
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Serial.print("Unknown error,\t");
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break;
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}
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// DISPLAY DATA
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Serial.print(DHT.humidity, 1);
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Serial.print(",\t");
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Serial.println(DHT.temperature, 1);
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delay(1000);
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// READ DATA
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Serial.print("DHT11, \t");
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chk = DHT.read11(DHT11_PIN);
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switch (chk)
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{
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case DHTLIB_OK:
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Serial.print("OK,\t");
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break;
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case DHTLIB_ERROR_CHECKSUM:
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Serial.print("Checksum error,\t");
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break;
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case DHTLIB_ERROR_TIMEOUT:
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Serial.print("Time out error,\t");
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break;
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case DHTLIB_ERROR_CONNECT:
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Serial.print("Connect error,\t");
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break;
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case DHTLIB_ERROR_ACK_L:
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Serial.print("Ack Low error,\t");
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break;
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case DHTLIB_ERROR_ACK_H:
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Serial.print("Ack High error,\t");
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break;
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default:
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Serial.print("Unknown error,\t");
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break;
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}
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// DISPLAY DATA
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Serial.print(DHT.humidity,1);
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Serial.print(",\t");
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Serial.println(DHT.temperature,1);
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delay(1000);
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}
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// -- END OF FILE --
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